Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

The idea of a moon having its own moon sounds strange but fascinating. People often wonder if a smaller object […] ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

To our best of our understanding, the Moon formed from Earth following a colossal impact. A Mars-sized world we nicknamed ...

Where did the planet the size of Mars that crashed into Earth billions of years ago come from? Theia has captured the ...

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

Theia impact, with the Sun in the background, illustrating the idea that Theia originated close to the Sun. Image ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

Shoot for the moon, they said. That way, even if you miss, you land amongst the stars! AI Infrastructure in Space As tech ...

NASA’s Johnson Space Center reminded everyone on Monday that its four volunteers have been inside its Mars simulation habitat ...